Summary
Updated Aug 30, 2026
William C. Bertrand Jr. is Director of ARDELYX, INC. (ARDX). 3 SEC Form 4 filings on record going back to 2025, most recently on 18 June 2026. Most recent open-market trade: sold $2K of ADAP on 28 August 2025. Lifetime open-market sales: $2K.
Recent Transactions
5Every recent SEC Form 4 transaction William C. Bertrand Jr. has reported, most recent first.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies William C. Bertrand Jr. files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Michael Raab - $2.57M of ARDX open-market activity in the last 12 months
- David M. Mott - $1.95M of ARDX open-market activity in the last 12 months
- Laura A. Williams - $659K of ARDX open-market activity in the last 12 months
- Eric Duane Foster - $176K of ARDX open-market activity in the last 12 months
- Mike Kelliher - $162K of ARDX open-market activity in the last 12 months
- Joseph James Reilly - $129K of ARDX open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is William C. Bertrand Jr.?
William C. Bertrand Jr. is a corporate insider, tracked as Director of ARDELYX, INC. (ARDX). InsiderAlpha holds 3 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has William C. Bertrand Jr. submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has William C. Bertrand Jr. been buying or selling stock?
Recorded transactions: 0 open-market purchases and 1 open-market sale ($2K) across all tracked filings.
Where can I see all of William C. Bertrand Jr.'s SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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